In a joint article published in the Washington Post, the two leaders called the US-British relationship "a partnership of the heart, bound by the history, traditions and values we share." But what has that partnership really achieved?

­Both the US President and the British Prime Minister devoted a lot of time to the ongoing mission in Afghanistan. “As the two largest contributors to the international mission in Afghanistan, we're proud of the progress our troops have made in dismantling Al-Qaeda, breaking the Taliban's momentum and training Afghan forces,” the two men wrote.